National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Overcast

35°F

2°C

Humidity 82%
Wind Speed W 9 mph
Barometer 29.78 in (1009.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 14 Nov 5:53 am EST
Extended Forecast for

Hammondsport NY

  • Today

    Today: A chance of rain and snow showers before 11am, then rain showers. High near 42. Northwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then Showers

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after midnight. Low around 31. Northwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Sunday

    Sunday: A chance of snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. Northwest wind 6 to 8 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of rain showers, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 31. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 49. Northwest wind 3 to 7 mph.

    High: 49 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
A chance of rain and snow showers before 11am, then rain showers. High near 42. Northwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow showers, becoming all snow after midnight. Low around 31. Northwest wind 6 to 8 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 45. Northwest wind 6 to 8 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
A slight chance of rain showers, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 31. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 49. Northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Clear, with a low around 32.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 32.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
6:07 am EST Nov 14, 2026
Forecast Valid:
6am EST Nov 14, 2026-6pm EST Nov 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation